post processing script to add eigenvalues and eigenvectors to tensorial data in ASCII tables.

This commit is contained in:
Philip Eisenlohr 2012-11-23 21:49:30 +00:00
parent 526e08bd02
commit 255af58434
2 changed files with 140 additions and 1 deletions

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@ -0,0 +1,139 @@
#!/usr/bin/env python
import os,re,sys,math,numpy,string,damask
from optparse import OptionParser, Option
# -----------------------------
class extendableOption(Option):
# -----------------------------
# used for definition of new option parser action 'extend', which enables to take multiple option arguments
# taken from online tutorial http://docs.python.org/library/optparse.html
ACTIONS = Option.ACTIONS + ("extend",)
STORE_ACTIONS = Option.STORE_ACTIONS + ("extend",)
TYPED_ACTIONS = Option.TYPED_ACTIONS + ("extend",)
ALWAYS_TYPED_ACTIONS = Option.ALWAYS_TYPED_ACTIONS + ("extend",)
def take_action(self, action, dest, opt, value, values, parser):
if action == "extend":
lvalue = value.split(",")
values.ensure_value(dest, []).extend(lvalue)
else:
Option.take_action(self, action, dest, opt, value, values, parser)
# --------------------------------------------------------------------
# MAIN
# --------------------------------------------------------------------
parser = OptionParser(option_class=extendableOption, usage='%prog options [file[s]]', description = """
Add column(s) containing eigenvalues and eigenvectors of requested tensor column(s).
""" + string.replace('$Id$','\n','\\n')
)
parser.add_option('-t','--tensor', dest='tensor', action='extend', type='string', \
help='heading of columns containing tensor field values')
parser.set_defaults(tensor = [])
(options,filenames) = parser.parse_args()
if len(options.tensor) == 0:
parser.error('no data column specified...')
datainfo = { # list of requested labels per datatype
'tensor': {'len':9,
'label':[]},
}
if options.tensor != None: datainfo['tensor']['label'] += options.tensor
# ------------------------------------------ setup file handles ---------------------------------------
files = []
if filenames == []:
files.append({'name':'STDIN',
'input':sys.stdin,
'output':sys.stdout,
'croak':sys.stderr,
})
else:
for name in filenames:
if os.path.exists(name):
files.append({'name':name,
'input':open(name),
'output':open(name+'_tmp','w'),
'croak':sys.stdout,
})
# ------------------------------------------ loop over input files ---------------------------------------
for file in files:
if file['name'] != 'STDIN': file['croak'].write(file['name']+'\n')
table = damask.ASCIItable(file['input'],file['output'],False) # make unbuffered ASCII_table
table.head_read() # read ASCII header info
table.info_append(string.replace('$Id$','\n','\\n') + \
'\t' + ' '.join(sys.argv[1:]))
active = {}
column = {}
head = []
for datatype,info in datainfo.items():
for label in info['label']:
key = {True :'1_%s',
False:'%s' }[info['len']>1]%label
if key not in table.labels:
file['croak'].write('column %s not found...\n'%key)
else:
if datatype not in active: active[datatype] = []
if datatype not in column: column[datatype] = {}
active[datatype].append(label)
column[datatype][label] = table.labels.index(key) # remember columns of requested data
table.labels_append(['%i_eigval(%s)'%(i+1,label)
for i in xrange(3)]) # extend ASCII header with new labels
table.labels_append(['%i_eigvec(%s)'%(i+1,label)
for i in xrange(9)]) # extend ASCII header with new labels
# ------------------------------------------ assemble header ---------------------------------------
table.head_write()
# ------------------------------------------ process data ---------------------------------------
while table.data_read(): # read next data line of ASCII table
for datatype,labels in active.items(): # loop over vector,tensor
for label in labels: # loop over all requested norms
tensor = numpy.array(map(float,table.data[column[datatype][label]:
column[datatype][label]+datainfo[datatype]['len']])).reshape((datainfo[datatype]['len']//3,3))
(u,v) = numpy.linalg.eig(tensor)
table.data_append(list(u))
table.data_append(list(v.transpose().reshape(datainfo[datatype]['len'])))
table.data_write() # output processed line
# ------------------------------------------ output result ---------------------------------------
table.output_flush() # just in case of buffered ASCII table
try:
file['output'].close() # close output ASCII table
except:
pass
try:
file['croak'].close() # stop croaking
except:
pass
try:
file['input'].close() # close input ASCII table
except:
pass
if file['name'] != 'STDIN':
os.rename(file['name']+'_tmp',file['name']) # overwrite old one with tmp new

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@ -101,6 +101,7 @@ bin_link = { \
'addCalculation.py', 'addCalculation.py',
'addDeterminant.py', 'addDeterminant.py',
'addDeviator.py', 'addDeviator.py',
'addSpectralDecomposition.py',
'addDivergence.py', 'addDivergence.py',
'addCurl.py', 'addCurl.py',
'addMises.py', 'addMises.py',
@ -116,7 +117,6 @@ bin_link = { \
'filterTable.py', 'filterTable.py',
'mentat_colorMap.py', 'mentat_colorMap.py',
'postResults.py', 'postResults.py',
'spectral_iterationCount.py',
'spectral_parseLog.py', 'spectral_parseLog.py',
'nodesFromCentroids.py', 'nodesFromCentroids.py',
'tagLabel.py', 'tagLabel.py',